Fish-breeding sea vessel



FIG. 1 is a side view of fish-breeding sea vessel showing my new design;

FIG. 2 is a top view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a bottom view thereof; and

FIG. 5 is a back view thereof. 

The ornamental design for fish-breeding sea vessel, as shown and described. 